1. cmd5.org (paid service)
    MD5, Double MD5, Double Binary MD5, and SHA1
    "7,800,000,000,000" MD5 (2 ^ 42.827)
    7,800,000,000,000 total (2 ^ 42.827)
    They have 80 TB of disk and only 7.8 trillion. They can totally get 25 trillion.

  2. c0llision.net
    LM, NTLM, and MD5
    10,578,558,976 LM (2 ^ 33.300)
    295,413,219,328 NTLM (2 ^ 38.104)
    295,413,219,328 MD5 (2 ^ 38.104)
    601,404,997,632 total (2 ^ 39.130)

  3. TobTu.com
    MD5
    50,529,455,839 total (2 ^ 35.556)

  4. TMTO.org
    MD5
    36,436,233,567 total (2 ^ 35.085)

  5. MD5Decrypter.co.uk
    LM, NTLM, MD5/MD5x2/MD5x3 and SHA1/MySQL5
    ?,???,???,??? LM (2 ^ ??.???)
    8,710,000,000 NTLM (2 ^ 33.020)
    8,710,000,000 MD5/MD5x2/MD5x3 (2 ^ 33.020)
    8,710,000,000 SHA1/MySQL5 (2 ^ 33.020)
    52,260,000,000 total (2 ^ 35.605) Crackable
    26,130,000,000 total (2 ^ 34.605) Actual

Honorable mentions:

If someone wants to give me a 2U server with 12, 3 TB hard drives in it ($5,000) I could totally be number one.

All the sites I've found are either smaller or don't say how many passwords are in their database.